榆树是我国的主要树种之一,特别是我区榆树造林面积占有很大比重.榆树由于具有抗逆性强,繁殖容易等优点,深受农牧民的欢迎。但几年来大面积的榆树却遭到了榆叶蜂的为害。为除治此害虫,笔者对该虫的生活习性进行过观察研究,现将防治方法介绍如下: 一、榆叶蜂的生活习性榆叶蜂,分布于我国吉林、辽宁、河北、内蒙古、河南、山东等 Elm is one of the main tree species in our country, especially the area of ​​elm tree afforestation occupies a large proportion in our area.The elm trees are welcomed by farmers and herdsmen due to their advantages of strong resistance and easy breeding. But in recent years a large area of ​​elm has been the prunus cerasifera damage. In addition to the pest control, the author of the pest habits were observed and studied now prevention and control methods are described below: First, the habits of Ulmus dwarf bee, distributed in China’s Jilin, Liaoning, Hebei, Inner Mongolia, Henan, Shandong and so on